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-rw-r--r--mm/kfence/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 3b8ec938470a..d53c91f881a4 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -12,6 +12,7 @@
#include <linux/debugfs.h>
#include <linux/kcsan-checks.h>
#include <linux/kfence.h>
+#include <linux/kmemleak.h>
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/memblock.h>
@@ -480,6 +481,14 @@ static bool __init kfence_init_pool(void)
addr += 2 * PAGE_SIZE;
}
+ /*
+ * The pool is live and will never be deallocated from this point on.
+ * Remove the pool object from the kmemleak object tree, as it would
+ * otherwise overlap with allocations returned by kfence_alloc(), which
+ * are registered with kmemleak through the slab post-alloc hook.
+ */
+ kmemleak_free(__kfence_pool);
+
return true;
err: